Stamp of Approval

As this artifact enters, choose a color.

Creatures you control of the chosen color get +1/+0.

: Add one mana of the chosen color.

Flash

As this artifact enters, choose a creature type.

Creatures you control of the chosen type get +1/+1.

As this artifact enters, choose a creature type.

Creatures you control of the chosen type get +1/+1.

: Add one mana of any color.

As Hall of Triumph enters, choose a color.

Creatures you control of the chosen color get +1/+1.

As this creature enters, choose a creature type.

This creature is the chosen type in addition to its other types.

Other creatures you control of the chosen type get +1/+1.

As this artifact enters, choose a creature type.

Whenever you cast a spell of the chosen type, put a charge counter on this artifact.

Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact.